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29972866476 = 2237734887943
BaseRepresentation
bin11011111010100001…
…011010010110101100
32212100212020101011210
4123322201122112230
5442341023211401
621434102314420
72110520106240
oct337241322654
985325211153
1029972866476
11117909a1233
125985a28a10
132a98884a67
1416449c4420
15ba65694d6
hex6fa85a5ac

29972866476 has 48 divisors (see below), whose sum is σ = 81022559744. Its totient is φ = 8446363776.

The previous prime is 29972866457. The next prime is 29972866477. The reversal of 29972866476 is 67466827992.

It is not an unprimeable number, because it can be changed into a prime (29972866477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437840 + ... + 2450103.

Almost surely, 229972866476 is an apocalyptic number.

It is an amenable number.

29972866476 is an abundant number, since it is smaller than the sum of its proper divisors (51049693268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29972866476 is a wasteful number, since it uses less digits than its factorization.

29972866476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888030 (or 4888028 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 29972866476 in words is "twenty-nine billion, nine hundred seventy-two million, eight hundred sixty-six thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 73 84 146 219 292 438 511 876 1022 1533 2044 3066 6132 4887943 9775886 14663829 19551772 29327658 34215601 58655316 68431202 102646803 136862404 205293606 356819839 410587212 713639678 1070459517 1427279356 2140919034 2497738873 4281838068 4995477746 7493216619 9990955492 14986433238 29972866476